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How To Calculate Your Estimated Blood Alcohol
Content (BAC)
Showing estimated percent
of alcohol in the blood by number of drinks in relation
to body weight. This percent can be estimated by:
1. Count your drinks
(1 drink equals 1 ounce of 100-proof liquor,
one five ounce glass of table wine or one 12-ounce
bottle of regular beer).
2. Use the chart below
and under number of "drinks" and opposite "body
weight" find the percent of blood alcohol listed.
3. Subtract from this
number the percent of alcohol "burned up" during
the time elapsed since your first drink. This figure
is .015% per hour. (Example: 180 lb.
man - 8 drinks in 4 hours / .167% minus (.015x4)
= .107 %
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